Patents by Inventor Donald Polvani

Donald Polvani has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Underwater navigation by aided light sensor
    Patent number: 7505364
    Abstract: The present invention provides a navigation system for an unmanned underwater vehicle that includes at least two navigation sensors that provide latitude and longitude measurements of unequal accuracy, a processor and a memory. The memory stores a machine-readable set of instructions executable by the processor to process the latitude and longitude measurements received from the navigation sensors, and to estimate vehicle latitude and longitude with approximately equal accuracy.
    Type: Grant
    Filed: June 22, 2006
    Date of Patent: March 17, 2009
    Assignee: Northrop Grumman Corporation
    Inventor: Donald Polvani
  • Underwater navigation by aided light sensor
    Publication number: 20070297289
    Abstract: The present invention provides a navigation system for an unmanned underwater vehicle that includes at least two navigation sensors that provide latitude and longitude measurements of unequal accuracy, a processor and a memory. The memory stores a machine-readable set of instructions executable by the processor to process the latitude and longitude measurements received from the navigation sensors, and to estimate vehicle latitude and longitude with approximately equal accuracy.
    Type: Application
    Filed: June 22, 2006
    Publication date: December 27, 2007
    Applicant: Northrop Grumman Corporation
    Inventor: Donald Polvani